/*
 *    Copyright 2006-2021 the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.mybatis.generator.codegen.mybatis3.xmlmapper.elements;

import org.mybatis.generator.api.dom.xml.Attribute;
import org.mybatis.generator.api.dom.xml.XmlElement;

public class ResultMapWithBLOBsElementGenerator extends AbstractXmlElementGenerator {

    public ResultMapWithBLOBsElementGenerator() {
        super();
    }

    @Override
    public void addElements(XmlElement parentElement) {
        XmlElement answer = new XmlElement("resultMap"); //$NON-NLS-1$

        answer.addAttribute(new Attribute("id", //$NON-NLS-1$
                introspectedTable.getResultMapWithBLOBsId()));

        String returnType;
        if (introspectedTable.getRules().generateRecordWithBLOBsClass()) {
            returnType = introspectedTable.getRecordWithBLOBsType();
        } else {
            // table has BLOBs, but no BLOB class - BLOB fields must be
            // in the base class
            returnType = introspectedTable.getBaseRecordType();
        }

        answer.addAttribute(new Attribute("type", returnType)); //$NON-NLS-1$

        if (!introspectedTable.isConstructorBased()) {
            answer.addAttribute(new Attribute("extends", //$NON-NLS-1$
                    introspectedTable.getBaseResultMapId()));
        }

        context.getCommentGenerator().addComment(answer);

        if (introspectedTable.isConstructorBased()) {
            addResultMapConstructorElements(answer);
        } else {
            addResultMapElements(answer);
        }

        if (context.getPlugins().sqlMapResultMapWithBLOBsElementGenerated(answer, introspectedTable)) {
            parentElement.addElement(answer);
        }
    }

    private void addResultMapElements(XmlElement answer) {
        buildResultMapItems(ResultElementType.RESULT, introspectedTable.getBLOBColumns()).forEach(answer::addElement);
    }

    private void addResultMapConstructorElements(XmlElement answer) {
        answer.addElement(buildConstructorElement(true));
    }
}
